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Test Coverage Report

📊 Overall Coverage Summary

Last Updated: July 30, 2025
Test Framework: Jest
Total Tests: 28
Test Suites: 1
Coverage Target: 90%+

🎯 Coverage Metrics

Metric Overall Target Status
Statements 51.19% 90% ⚠️ Needs Improvement
Branches 42.91% 90% ⚠️ Needs Improvement
Functions 60.65% 90% ⚠️ Needs Improvement
Lines 51.56% 90% ⚠️ Needs Improvement

📁 File-by-File Coverage

🎮 Core Game Files

src/BulletBuzzGame.ts (196 lines)

  • Statements: 44.64% ⚠️
  • Branches: 25% ⚠️
  • Functions: 48.27% ⚠️
  • Lines: 44.44% ⚠️
  • Uncovered Lines: 84-91, 103-125, 134-135, 160-194
  • Status: 🟡 Needs Testing

src/game-ui.ts (741 lines)

  • Statements: 0% ❌
  • Branches: 0% ❌
  • Functions: 0% ❌
  • Lines: 0% ❌
  • Status: 🔴 No Tests

🏗️ Core Systems (Excellent Coverage)

src/core/Game.ts (304 lines)

  • Statements: 94.35% ✅
  • Branches: 79.54% ⚠️
  • Functions: 100% ✅
  • Lines: 94.11% ✅
  • Uncovered Lines: 165-166, 200, 208, 211, 214, 217
  • Status: 🟢 Well Tested

src/core/Player.ts (194 lines)

  • Statements: 100% ✅
  • Branches: 96.55% ✅
  • Functions: 100% ✅
  • Lines: 100% ✅
  • Uncovered Lines: 31
  • Status: 🟢 Excellent Coverage

src/core/Enemy.ts (100 lines)

  • Statements: 100% ✅
  • Branches: 100% ✅
  • Functions: 100% ✅
  • Lines: 100% ✅
  • Status: 🟢 Perfect Coverage

src/core/Axe.ts (75 lines)

  • Statements: 88% ✅
  • Branches: 85.71% ✅
  • Functions: 75% ⚠️
  • Lines: 88% ✅
  • Uncovered Lines: 40-41, 73
  • Status: 🟡 Good Coverage

src/core/HeartDrop.ts (72 lines)

  • Statements: 96.15% ✅
  • Branches: 100% ✅
  • Functions: 100% ✅
  • Lines: 96.15% ✅
  • Uncovered Lines: 70
  • Status: 🟢 Excellent Coverage

src/core/XpDrop.ts (72 lines)

  • Statements: 96.15% ✅
  • Branches: 87.5% ✅
  • Functions: 100% ✅
  • Lines: 96.15% ✅
  • Uncovered Lines: 70
  • Status: 🟢 Excellent Coverage

🔧 Systems (Excellent Coverage)

src/systems/CollisionSystem.ts (131 lines)

  • Statements: 100% ✅
  • Branches: 100% ✅
  • Functions: 100% ✅
  • Lines: 100% ✅
  • Status: 🟢 Perfect Coverage

src/systems/LevelSystem.ts (157 lines)

  • Statements: 96.15% ✅
  • Branches: 100% ✅
  • Functions: 80% ⚠️
  • Lines: 96% ✅
  • Uncovered Lines: 135-146
  • Status: 🟡 Good Coverage

src/systems/SpawnSystem.ts (97 lines)

  • Statements: 100% ✅
  • Branches: 85.71% ✅
  • Functions: 100% ✅
  • Lines: 100% ✅
  • Uncovered Lines: 76
  • Status: 🟢 Excellent Coverage

🧪 Test Categories

✅ Well Tested Areas

  • Core Game Logic: Game.ts, Player.ts, Enemy.ts
  • Systems: CollisionSystem, SpawnSystem
  • Pickup System: HeartDrop.ts, XpDrop.ts
  • Combat: Axe.ts (mostly covered)

⚠️ Areas Needing Improvement

  • Game API: BulletBuzzGame.ts (44% coverage)
  • UI Layer: game-ui.ts (0% coverage)
  • Level System: LevelSystem.ts (80% functions)

❌ Untested Areas

  • UI Rendering: game-ui.ts (741 lines, 0% coverage)
  • Type Definitions: types.ts (not measured)

📋 Test Coverage by Feature

🎮 Game Features

Feature Coverage Status
Game Initialization 44% ⚠️ Needs Testing
Game Loop 94% ✅ Well Tested
Player AI 100% ✅ Perfect
Enemy AI 100% ✅ Perfect
Combat System 88% ✅ Good
Pickup System 96% ✅ Excellent
Level Progression 96% ✅ Excellent
Shop System 44% ⚠️ Needs Testing
UI Rendering 0% ❌ No Tests

🔧 Systems

System Coverage Status
Collision Detection 100% ✅ Perfect
Enemy Spawning 100% ✅ Perfect
Level Management 96% ✅ Excellent

🎯 Priority Areas for Improvement

🔴 Critical (0% Coverage)

  1. game-ui.ts (741 lines)
  2. UI rendering and controls
  3. Canvas drawing functions
  4. Event handlers
  5. Modal management

🟡 High Priority (Low Coverage)

  1. BulletBuzzGame.ts (44% coverage)
  2. Game API methods
  3. Configuration handling
  4. Error handling paths

  5. Advanced features

  6. LevelSystem.ts (80% functions)

  7. Shop system functions
  8. Advanced level logic
  9. Error handling

🟢 Good Coverage (Maintain)

  • All core game systems
  • Player and enemy AI
  • Pickup mechanics
  • Collision detection

1. Immediate (Next Sprint)

  • Add UI Tests: Create tests for game-ui.ts
  • Expand API Tests: Improve BulletBuzzGame.ts coverage
  • Shop System Tests: Add tests for LevelSystem shop functions

2. Medium Term

  • Integration Tests: End-to-end game flow testing
  • Performance Tests: Memory and performance validation
  • Error Handling: Test error conditions and edge cases

3. Long Term

  • Visual Regression: Screenshot-based UI testing
  • Accessibility Tests: Screen reader and keyboard navigation
  • Cross-browser Tests: Browser compatibility testing

📈 Coverage Goals

Target Metrics (By End of Next Sprint)

  • Overall Statements: 80%+ (currently 51%)
  • Overall Branches: 75%+ (currently 43%)
  • Overall Functions: 85%+ (currently 61%)
  • Overall Lines: 80%+ (currently 52%)

File-Specific Targets

  • game-ui.ts: 70%+ (currently 0%)
  • BulletBuzzGame.ts: 80%+ (currently 44%)
  • LevelSystem.ts: 95%+ (currently 96%)

🔄 Continuous Monitoring

Coverage Tracking

  • Automated: Coverage reports on every PR
  • Thresholds: Fail builds if coverage drops below targets
  • Trends: Track coverage improvements over time

Quality Gates

  • Minimum Coverage: 80% for new code
  • Critical Systems: 95%+ for core game logic
  • UI Components: 70%+ for rendering code

Coverage Improvements Needed

  • UI Layer: 0% → 70% target
  • Game API: 44% → 80% target
  • Overall: 51% → 80% target

Success Metrics

  • ✅ Core Systems: Excellent coverage maintained
  • ✅ Game Logic: Robust testing in place
  • ✅ Systems: Comprehensive coverage achieved
  • ⚠️ UI Layer: Needs immediate attention
  • ⚠️ API Layer: Needs expansion

This coverage report provides a roadmap for improving test quality and ensuring comprehensive validation of all game systems.